Baseball bat



FIG. 1 is a perspective view of a baseball bat in accordance with my new design;

FIG. 2 is an elevational view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 a bottom plan view thereof.

The broken lines in the figures illustrate portions of the baseball bat that form no part of the claimed design. 

CLAIM The ornamental design for a baseball bat, as shown and described. 